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Finding the Fourth Proportional to 34,295.01, 47,328.95 and 19,186.77

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Solution

The fourth proportional to 34,295.01, 47,328.95 and 19,186.77 is: 26,478.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,295.01 : 47,328.95 = 19,186.77 : x
  2. Step 2: Convert to fraction form
    34,295.01/47,328.95 = 19,186.77/x
  3. Step 3: Cross multiply
    34,295.01x = 47,328.95 × 19,186.77
  4. Step 4: Simplify right side
    34,295.01x = 908,089,677.99
  5. Step 5: Solve for x
    x = 908,089,677.99/34,295.01
  6. Step 6: Final answer
    x = 26,478.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.